Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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2021 Kia Sedona EX
Smart Key Unit DTCS
2021 Kia Sedona EXSECTION Smart Key Unit DTCS
SMART KEY UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B1602 | 00: CAN Error |
| DTC B1603 | 00: CAN Bus OFF |
| DTC B16A8 | 00: Interior Antenna #1 Failure |
| DTC B16A9 | 00: Interior Antenna #2 Failure |
| DTC B16AA | 00: Interior Antenna #3 Failure |
| DTC B16AB | 00: Bumper Antenna Failure |
| DTC B16AC | 00: Driver Side Door Handle Antenna Failure |
| DTC B16AD | 00: Passenger Side Door Handle Antenna Failure |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.